SSELDORAUK Dog Barking Alarm Motion Detector,Pir Wireless Human Body Doorbell,Home Security Alert System Device Auto Dialer for Home or Office Shop White (Pack of 1)
Dog barking sound,Extra sound(Chime / Watchdog / Double Ding Dong / Melody)With volume adjustable
Up to 300m Wireless working distance in open area with open antenna,100m for indoor use.(Normally it can pass through 1-3 stories and 3-5 walls)
3 working modes selectable: 1)Flash ,2)sounds ,3)sounds+flash
1 Sensor +N Receiver or N Sensor +1 Receiver can match by hand in code match in battery cover
Good to know when someone is coming to your doors